Inventor
STEVENSON PAUL D
US46 patents
⚠️ This page may combine multiple inventors who share the name “STEVENSON PAUL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN MOTORS CORP
34 patentsUS7021442B2Apr 4, 2006
One-way torque transmitter with a friction actuating apparatus
GEN MOTORS CORP67 citations98
US7014589B2Mar 21, 2006
Seven-speed transmission
GEN MOTORS CORP110 citations98
US7059995B2Jun 13, 2006
Seven- or eight-speed transmission
GEN MOTORS CORP62 citations96
US7052430B2May 30, 2006
Transmission with friction launch mechanism
GEN MOTORS CORP45 citations95
US7189182B2Mar 13, 2007
Transmission clutch control system
GEN MOTORS CORP38 citations94
US7033298B2Apr 25, 2006
Family of five-speed dual-clutch transmissions having three planetary gear sets
GEN MOTORS CORP29 citations93
US6742642B1Jun 1, 2004
Torque-transmitting torque to thrust apply mechanism having amplified thrust
GEN MOTORS CORP24 citations93
US7263907B2Sep 4, 2007
Dual clutch transmission with a torque converter
GEN MOTORS CORP27 citations92
US7036645B2May 2, 2006
Rotating torque-transmitting apparatus
GEN MOTORS CORP20 citations92
US7014590B2Mar 21, 2006
Seven-speed transmission
GEN MOTORS CORP51 citations92
US6827664B2Dec 7, 2004
Transmission
GEN MOTORS CORP29 citations92
US5482512AJan 9, 1996
Electro-mechanical hybrid powertrain with self-engaging brakes for starting the engine
GEN MOTORS CORP47 citations92
US4049093ASep 20, 1977
Torque converter and lock-up clutch with a flow divider valve
GEN MOTORS CORP32 citations92
US6773370B2Aug 10, 2004
Seven-speed planetary transmission
GEN MOTORS CORP23 citations86
US7070532B2Jul 4, 2006
Planetary transmission having a rotating-type torque-transmitting mechanism with a stationary piston
GEN MOTORS CORP14 citations84
US7059579B2Jun 13, 2006
Latching valve for a torque-transmitting mechanism in a transmission
GEN MOTORS CORP15 citations84
US7008346B2Mar 7, 2006
Seven-speed transmission
GEN MOTORS CORP11 citations84
US7036644B2May 2, 2006
Torque-transmitting mechanism with latching apparatus
GEN MOTORS CORP16 citations83
US7220206B2May 22, 2007
Hydrostatically applied clutch system with multiplex master cylinders
GEN MOTORS CORP9 citations74
US5289844AMar 1, 1994
Clamping assembly for vehicular transmission operating control valves
GEN MOTORS CORP13 citations74
US5197355AMar 30, 1993
Power transmission and control
GEN MOTORS CORP10 citations74
US5025823AJun 25, 1991
Accumulator and valve structure
GEN MOTORS CORP7 citations74
US4091899AMay 30, 1978
Lock-up converter clutch with centrifugal control valves
GEN MOTORS CORP20 citations74
US3966031AJun 29, 1976
Torque converter and slipping clutch
GEN MOTORS CORP16 citations67
US7086976B2Aug 8, 2006
Electric motor applied clutch with a drag torque actuator
GEN MOTORS CORP2 citations63
US6997840B2Feb 14, 2006
Apparatus for feeding oil to a clutch
GEN MOTORS CORP4 citations63
US6948396B2Sep 27, 2005
Control apparatus for a multi-speed transmission
GEN MOTORS CORP4 citations63
US6783477B2Aug 31, 2004
Family of six-speed dual-clutch transmissions having three planetary gear sets
GEN MOTORS CORP2 citations63
US5378207AJan 3, 1995
Transmission control valve system
GEN MOTORS CORP6 citations63
US4513640AApr 30, 1985
Transmission shift control
GEN MOTORS CORP3 citations63
US7448483B2Nov 11, 2008
Clutch cooling grooves for uniform plate temperature in friction launch
GEN MOTORS CORP6 citations54
US7165567B2Jan 23, 2007
Valve apparatus for compensating centrifugal forces
GEN MOTORS CORP0 citations52
US7168541B2Jan 30, 2007
Manual planetary transmission with synchronizer clutches and brakes
GEN MOTORS CORP0 citations51
US3983698AOct 5, 1976
Internal combustion rotary engine oxidizing fluid injection arrangement
GEN MOTORS CORP1 citations42
GM GLOBAL TECH OPERATIONS INC
11 patentsUS7766790B2Aug 3, 2010
Selectable one-way clutch
GM GLOBAL TECH OPERATIONS INC71 citations97
US7487865B2Feb 10, 2009
Method of controlling a torque-transmitting mechanism and clutch capacity control system
GM GLOBAL TECH OPERATIONS INC8 citations84
US7249663B2Jul 31, 2007
Wet clutch friction plate and method
GM GLOBAL TECH OPERATIONS INC11 citations84
US7308977B2Dec 18, 2007
Clutch assembly and method of reversing cooling fluid flow
GM GLOBAL TECH OPERATIONS INC11 citations83
US7766144B2Aug 3, 2010
Clutch plate with internal fluid channels
GM GLOBAL TECH OPERATIONS INC7 citations74
US7402124B2Jul 22, 2008
Control method and apparatus for a transmission clutch system
GM GLOBAL TECH OPERATIONS INC3 citations63
US7322456B2Jan 29, 2008
Radially stacked dual dry clutch configuration
GM GLOBAL TECH OPERATIONS INC2 citations63
US7543520B2Jun 9, 2009
Extension housing to transmission case attachment
GM GLOBAL TECH OPERATIONS INC2 citations62
US7422536B2Sep 9, 2008
Method and apparatus for cooling and lubricating a bearing device
GM GLOBAL TECH OPERATIONS INC1 citations52
US7219783B2May 22, 2007
Apparatus and method for measuring the speed of a buried transmission component
GM GLOBAL TECH OPERATIONS INC1 citations52
US7832287B2Nov 16, 2010
Sensor gap balancer
GM GLOBAL TECH OPERATIONS INC1 citations50